The ATF and Cincinnati police said Wednesday that they are finding guns illegally modified to make them fully automatic on a weekly basis. Also called a "chip" or "auto sear," it's a small device that ...

Rochester, N.Y.— An Irondequoit man is facing federal charges for allegedly having more than a dozen 3D-printed Glock switches, which can turn a firearm into a fully automatic weapon and qualify as a ...

How authorities monitor the spread of unauthorised weapons has become more complicated as technology enables new manufacturing methods. The manufacture of guns using three dimensional (3D) printing ...